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  3. Mineral Resource Data System (MRDS)

Warner

Prospect in Alaska, United States with commodities Copper, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10093997
MRDS ID A011755
Record type Site
Current site name Warner
Related records 10282773

Geographic coordinates

Geographic coordinates: -143.96142, 61.70772 (WGS84)
Relative position On west bank of Lime Creek, 1,000 ft upstream from confluence of Lime Creek with Kotsina River. Best location: MacKevett and others, 1978, loc. 8. Accurate within radius of 100 feet.

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McCarthy C-8(quadrangle 1:63,360 scale)

McCarthy NW(quadrangle 1:100,000 scale)

McCarthy(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Wrangell-St. Elias National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Malachite Ore
Calcite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 87
USGS model code 23
Deposit model name Basaltic Cu (BC name is Volcanic redbed Cu)
Mark3 model number 118

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Nikolai Greenstone
    Rock description Nikolai Greenstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -143.96142, 61.70772
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Minor amounts of bornite, chalcopyrite and malachite in brecciated quartz-calcite vein about 1 m thick in Triassic Nikolai Greenstone near contact with Triassic Chitistone Limestone.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chistochina

Comments on the workings information

  • Workings / Exploration = Type of workings: underground. Explored by a short adit. Grab sample (MacKevett, 1976) assayed 5 ppm Ag and 20,000 ppm Cu.

Reference information

Bibliographic references

  • Deposit

    Mendenhall, W.C., 1905, Geology of the central Copper River region, Alaska: U.S. Geological Survey Professional Paper 41, 133 p.

  • Deposit

    Moffit, F.H., and Mertie, J.B., Jr., 1923, The Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 745, 149 p.

  • Deposit

    Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

  • Deposit

    MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, scale 1:250,000.

  • Deposit

    MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, scale 1:63,360.

  • Deposit

    MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, 1 sheet, scale 1:63,360.

Comments on the references

  • Primary Reference = Moffit and Mertie, 1923

General comments

Subject category Comment text
Deposit Model Name = Basaltic Cu

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAR-1997 Leonard, K.R. U.S. Geological Survey
Reporter 22-MAR-1997 Elliott, R.L. U.S. Geological Survey
Reporter 22-MAR-1997 Richter, D.H. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.